Griffith’s Valuation was the first comprehensive valuation of Irish property and was carried out between 1847 and 1864. The aim being to construct a country-wide tax base.
It is especially important for constructing the Irish end of a family tree as there are so few Irish records to look at. The Census documents from 1821 to 1851 were destroyed in 1922 during the Irish Civil War. Griffith’s Valuation has been termed a “census substitute”.
The above record for Lissaroon was published March 16 1850. The William Fannin included was married to Hanera Cormick (1782-1848). He was born c1770 and died in 1860.